20367990160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1\times {\mathrm{1459}}^1$

素因数の和:1833

約数の個数: 160

約数和(自身を含む): 54928984320

約数和(自身を除く): 34560994160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 97, 112, 140, 194, 257, 280, 388, 485, 514, 560, 679, 776, 970, 1028, 1285, 1358, 1459, 1552, 1799, 1940, 2056, 2570, 2716, 2918, 3395, 3598, 3880, 4112, 5140, 5432, 5836, 6790, 7196, 7295, 7760, 8995, 10213, 10280, 10864, 11672, 13580, 14392, 14590, 17990, 20426, 20560, 23344, 24929, 27160, 28784, 29180, 35980, 40852, 49858, 51065, 54320, 58360, 71960, 81704, 99716, 102130, 116720, 124645, 141523, 143920, 163408, 174503, 199432, 204260, 249290, 283046, 349006, 374963, 398864, 408520, 498580, 566092, 698012, 707615, 749926, 817040, 872515, 990661, 997160, 1132184, 1396024, 1415230, 1499852, 1745030, 1874815, 1981322, 1994320, 2264368, 2624741, 2792048, 2830460, 2999704, 3490060, 3749630, 3962644, 4953305, 5249482, 5660920, 5999408, 6980120, 7499260, 7925288, 9906610, 10498964, 11321840, 13123705, 13960240, 14998520, 15850576, 19813220, 20997928, 26247410, 29997040, 36371411, 39626440, 41995856, 52494820, 72742822, 79252880, 104989640, 145485644, 181857055, 209979280, 254599877, 290971288, 363714110, 509199754, 581942576, 727428220, 1018399508, 1272999385, 1454856440, 2036799016, 2545998770, 2909712880, 4073598032, 5091997540, 10183995080, 20367990160]

約数ペア:

[(1, 20367990160), (2, 10183995080), (4, 5091997540), (5, 4073598032), (7, 2909712880), (8, 2545998770), (10, 2036799016), (14, 1454856440), (16, 1272999385), (20, 1018399508), (28, 727428220), (35, 581942576), (40, 509199754), (56, 363714110), (70, 290971288), (80, 254599877), (97, 209979280), (112, 181857055), (140, 145485644), (194, 104989640), (257, 79252880), (280, 72742822), (388, 52494820), (485, 41995856), (514, 39626440), (560, 36371411), (679, 29997040), (776, 26247410), (970, 20997928), (1028, 19813220), (1285, 15850576), (1358, 14998520), (1459, 13960240), (1552, 13123705), (1799, 11321840), (1940, 10498964), (2056, 9906610), (2570, 7925288), (2716, 7499260), (2918, 6980120), (3395, 5999408), (3598, 5660920), (3880, 5249482), (4112, 4953305), (5140, 3962644), (5432, 3749630), (5836, 3490060), (6790, 2999704), (7196, 2830460), (7295, 2792048), (7760, 2624741), (8995, 2264368), (10213, 1994320), (10280, 1981322), (10864, 1874815), (11672, 1745030), (13580, 1499852), (14392, 1415230), (14590, 1396024), (17990, 1132184), (20426, 997160), (20560, 990661), (23344, 872515), (24929, 817040), (27160, 749926), (28784, 707615), (29180, 698012), (35980, 566092), (40852, 498580), (49858, 408520), (51065, 398864), (54320, 374963), (58360, 349006), (71960, 283046), (81704, 249290), (99716, 204260), (102130, 199432), (116720, 174503), (124645, 163408), (141523, 143920)]